9 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Ventricular Septal Defect ... ** • Atrial Septal ... Defect Pulmonary ... #Differential #Diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... cycles after right atrial ... blood gas (ABC) ... cirrhosis • Intra-pulmonary ... scanning or pulmonary
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
- Differential Diagnosis ... Only: • Poor Perfusion ... Arteriosus • Atrial ... Total Anomalous Pulmonary ... #Differential #Diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... defects) VENTILATION ... shunting (eg, atrial ... ventricular septal defects ... #Differential #Diagnosis
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Diagnosis 1. ... left to right shunt ... echocardiogram #s4c ... #pocus #bubble
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... Disease and more • Diffusion ... Defect: Pulmonary ... Gradient #alveolar #arterial ... #differential #diagnosis
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
on this saline contrast ... liver disease and pulmonary ... Early transit of bubbles ... as RAP>LAP as atrial ... clinical #pocus #a4c
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Intraarticular Chondroma - MSK ... Usually NOT joint effusions ... • Post-contrast ... symptoms due to mass effect ... #msk
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... murmur 3/6) - Pulmonary ... days before Pulmonary ... management for select ... stratification #diagnosis